<html>
<head>
    <meta http-equiv="content-type" content="text/html; charset=UTF-8" />
    <title>小黑记事本</title>
    <meta http-equiv="content-type" content="text/html; charset=UTF-8" />
    <meta name="robots" content="noindex, nofollow"/>
    <meta name="googlebot" content="noindex, nofollow" />
    <meta name="viewport" content="width=device-width, initial-scale=1" />
    <link rel="stylesheet" type="text/css" href="js/Bookindex.css" />
</head>

<body>
<section id="todoapp" >
    <header class="header">
        <h1>小黑记事本</h1>
        <input
                autofocus="autofocus"
                autocomplete="off"
                placeholder="请输入任务"
                class="new-todo"
                v-model="content"
                @keyup.enter="addMsg"/>
    </header>
    <!-- 列表区域 -->
    <section class="main">
        <ul class="todo-list">
            <li class="todo" v-for="(item,index) in msg">
                <div class="view">
                    <span class="index">{{index+1}}.</span> <label>{{item}}</label>
                    <button class="destroy" @click="del(index)"></button>
                </div>
            </li>
        </ul>
    </section>
    <footer class="footer">
        <span class="todo-count"> <strong>{{msg.length}}</strong> items left </span>
        <button class="clear-completed" @click="cls">
            Clear
        </button>
    </footer>
</section>
<footer class="info">
    <p>
        <a href=" ">< img src="img/logo.png" alt=""/></a>
    </p >
</footer>
<script src="js/vue.js"></script>

</body>
<script>
    var obj = new Vue({
        el:"#todoapp",
        data:{
            msg:["c","t","r"],
            content:"",
        },
        methods:{
            addMsg(){
                this.msg.push(this.content)
            },
            del(index){
                this.msg.splice(index,1);
            },
            cls(){
                this.msg=[];
            }
        }
    })
</script>
</html>